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CVE-2026-72571— mustafaakin cast-localvideo - Unauthenticated Path Traversal via dir Parameter

Quick assessment

Affected
mustafaakin cast-localvideo
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mustafa Akın cast-localvideo是Mustafa Akın个人开发者的一款本地视频投射工具。 Mustafa Akın cast-localvideo所有版本存在路径遍历漏洞，该漏洞源于app.js处理程序未对用户提供的req.body.dir参数进行清理，直接传递给res.sendFile()函数，可能导致未经身份验证的远程攻击者通过绝对路径或../序列读取服务器上的任意敏感文件。

CVSS 7.5 · High EPSS 1.15% · P67

Affected Version Matrix 1

VendorProduct Version RangeStatus
mustafaakin cast-localvideo affected
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I. Basic Information for CVE-2026-72571

Vulnerability Information
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Vulnerability Title
mustafaakin cast-localvideo - Unauthenticated Path Traversal via dir Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
A path traversal vulnerability in mustafaakin/cast-localvideo (all versions) allows an unauthenticated remote attacker to read arbitrary files from the server. The app.js handler at lines 151-153 passes the user-supplied req.body.dir parameter directly to res.sendFile() without sanitization, enabling directory traversal via absolute paths or ../ sequences to read sensitive system files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Mustafa Akın cast-localvideo 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mustafa Akın cast-localvideo是Mustafa Akın个人开发者的一款本地视频投射工具。 Mustafa Akın cast-localvideo所有版本存在路径遍历漏洞，该漏洞源于app.js处理程序未对用户提供的req.body.dir参数进行清理，直接传递给res.sendFile()函数，可能导致未经身份验证的远程攻击者通过绝对路径或../序列读取服务器上的任意敏感文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mustafaakin cast-localvideo 0 -

II. Public POCs for CVE-2026-72571

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 5438 chars
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III. Intelligence Information for CVE-2026-72571

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Other References for CVE-2026-72571 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22